SIGNIFICAND
Section: Linux Programmer's Manual (3)
Updated: 2002-08-10
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NAME
significand, significandf, significandl -
get mantissa of floating point number
SYNOPSIS
#include <math.h>
double significand(double x);
float significandf(float x);
long double significandl(long double x);
Link with -lm.
DESCRIPTION
The
significand()
function returns the mantissa of
x
scaled to the range [1,2).
It is equivalent to
scalb(x, (double) -ilogb(x))
This function exists mainly for use in certain standardized tests
for IEEE 754 conformance.
HISTORY
This function came from BSD.
SEE ALSO
ilogb(3),
scalb(3)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- HISTORY
-
- SEE ALSO
-
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